Datastream : AOSACSM

AOS: aerosol chemical speciation monitor

Active Dates
2010.11.20 - 2016.12.06

Measurement Categories
Aerosols

Originating Instrument
Aerosol Chemical Speciation Monitor (ACSM)

Measurements

Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement Units Variable
DAQ_version
ionization_efficiency_calibration IE_cal ( time )
raw ion mass spectra for particle-free filtered air amps MS_filtered_air ( time, amus )
raw ion mass spectra for particle-laden unfiltered air amps MS_unfiltered_air ( time, amus )
RF temperature C RF_temperature ( time )
Relative ionization efficiency chloride RIE_CL ( time )
Relative ionization efficiency ammonium RIE_NH4 ( time )
Relative ionization efficiency nitrate RIE_NO3 ( time )
Relative ionization efficiency organic RIE_ORG ( time )
Relative ionization efficiency sulfate RIE_SO4 ( time )
reference N2 air signal Ref_N2_signal ( time )
reference lens pressure torr Ref_lens_pressure ( time )
reference napthalene signal Ref_napthalene_signal ( time )
reference napthalene temperature C Ref_napthalene_temperature ( time )
SEM voltage reading V SEM_voltage_reading ( time )
Altitude above mean sea level m alt
Mass concentration of ammonium, ambient aerosol in air ug/m^3 ammonium ( time )
Amplifier offset for 1e-5 range amp_offset_m5 ( time )
Amplifier offset for 1e-6 range amp_offset_m6 ( time )
Amplifier offset for 1e-7 range amp_offset_m7 ( time )
Amplifier offset for 1e-8 range amp_offset_m8 ( time )
Amplifier offset for 1e-9 range amp_offset_m9 ( time )
Amplifier offset for 1e-10 range amp_offset_m10 ( time )
Amplifier offset for 1e-11 range amp_offset_m11 ( time )
Amplifier offset for 1e-12 range amp_offset_m12 ( time )
Mass to charge ratios of ion fragments m/z amus ( amus )
Base time in Epoch seconds since 1970-1-1 0:00:00 0:00 base_time
cal high mass cal_high_mass ( time )
cal low mass cal_low_mass ( time )
cathode setting V cathode_setting ( time )
temperature of chamber (what chamber?) C chamber_temp ( time )
Mass concentration of chloride, ambient aerosol in air. ug/m^3 chloride ( time )
digital input value? What the? digital_input_value ( time )
digital output digital_output ( time )
Emission current mA emission_current ( time )
emission current reading A emission_current_reading ( time )
emission current setting A emission_current_setting ( time )
error_bits_1_to_32 ( time )
error_bits_33_to_64 ( time )
ACSM instrument error codes, field 0 unitless error_field_0 ( time )
ACSM instrument error codes, field 1 unitless error_field_1 ( time )
ACSM instrument error codes, field 2 unitless error_field_2 ( time )
ACSM instrument error codes, field 3 unitless error_field_3 ( time )
ACSM instrument error codes, field 4 unitless error_field_4 ( time )
ACSM instrument error codes, field 5 unitless error_field_5 ( time )
ACSM instrument error codes, field 6 unitless error_field_6 ( time )
ACSM instrument error codes, field 7 unitless error_field_7 ( time )
ACSM instrument error codes, field 8 unitless error_field_8 ( time )
ACSM instrument error codes, field 9 unitless error_field_9 ( time )
ACSM instrument error codes, field 10 unitless error_field_10 ( time )
ACSM instrument error codes, field 11 unitless error_field_11 ( time )
extractor setting V extractor_setting ( time )
field axis setting V field_axis_setting ( time )
field axis setting V field_axis_settting ( time )
filament current maximum reading A filament_current_max ( time )
filament current minimum reading A filament_current_min ( time )
filament current reading A filament_current_reading ( time )
filament protection current A filament_protection_current ( time )
flow calibration intercept flow_cal_intercept ( time )
flow calibration offset flow_cal_offset ( time )
flow calibration slope flow_cal_slope ( time )
sample flow rate cc flow_rate ( time )
focus setting V focus_setting ( time )
heater_bias ( time )
heater bias analog out heater_bias_AO ( time )
heater power analog out heater_power_AO ( time )
Inlet closed torr inlet_closed ( time )
Inlet open torr inlet_open ( time )
inlet pressure with filter in line torr inlet_pressure_filtered ( time )
inlet pressure with filter off line torr inlet_pressure_unfiltered ( time )
instrument serial number instrument_serial_number ( time )
torr internal_pressure ( time )
ion reference setting ion_reference_setting ( time )
North latitude degree_N lat
East longitude degree_E lon
what is that value at the end of the itx file without a corresponding DAQ_Val string? mystery ( time )
m/z offset calibration mz_cal_offset ( time )
m/z slope calibration mz_cal_slope ( time )
Delta mz for scan mode amu/z mz_delta ( time )
channel m/z resolution m/z mz_resolution ( time )
scan width for first scan range amu/z mz_scan_width ( time )
Starting mz for scan range amu/z mz_start ( time )
New start acquisition indicator unitless new_start ( time )
Mass concentration of nitrate, ambient aerosol in air. ug/m^3 nitrate ( time )
number_of_sets ( time )
number_scans_closed ( time )
number_scans_open ( time )
Organic mass spectral matrix ug/m^3 org_mx ( time, amus )
Organic mass spectral error matrix ug/m^3 org_mx_err ( time, amus )
prisma scan rate ms/amu prisma_scan_rate ( time )
Quality check results on field: Mass concentration of ammonium, ambient aerosol in air unitless qc_ammonium ( time )
Quality check results on field: Mass concentration of chloride, ambient aerosol in air unitless qc_chloride ( time )
Quality check results on field: Mass concentration of nitrate, ambient aerosol in air unitless qc_nitrate ( time )
Quality check results on field: Organic mass spectral matrix unitless qc_org_mx ( time, amus )
Quality check results on field: Organic mass spectral error matrix unitless qc_org_mx_err ( time, amus )
Quality check results on field: Mass concentration of sulfate, ambient aerosol in air unitless qc_sulfate ( time )
Quality check results on field: Time offset from midnight unitless qc_time ( time )
Quality check results on field: Mass concentration of total organics, ambient aerosol in air unitless qc_total_organics ( time )
resolution max setting resolution_coarse ( time )
resolution low setting resolution_low ( time )
resolution max setting resolution_max ( time )
sample line flow option unitless sample_line_flow_option ( time )
saves_per_filter ( time )
saves_per_sample ( time )
Mass concentration of sulfate, ambient aerosol in air ug/m^3 sulfate ( time )
highest system temperature C system_temperature_highest ( time )
Time offset from midnight time ( time )
Time cell bounds time_bounds ( time, bound )
Time offset from base_time time_offset ( time )
Mass concentration of total organics, ambient aerosol in air ug/m^3 total_organics ( time )
Vaporizer degC vaporizer ( time )
C vaporizer_temp ( time )

Locations

Eastern North Atlantic
ENAC1 Browse Data Browse PlotsGraciosa Island, Azores, Portugal
Southern Great Plains
SGPC1 Browse DataCentral Facility, Lamont, OK
ARM Mobile Facility
ASIM1 Browse Data Browse PlotsAscension Island, South Atlantic Ocean; AMF1
MAOS1 Browse DataManacapuru, Amazonas, Brazil; MAOS
PVCS1 Browse Data Browse PlotsHighland Center, Cape Cod MA; MAOS retired
 retired = Originating instrument has been retired at this location

Contact(s)

Bill Behrens
Brookhaven National Laboratory
associate
(631) 344-2906
behrens@bnl.gov

Cynthia Salwen
Brookhaven National Laboratory
associate
631-344-3461
salwen@bnl.gov

Stephen Springston
Brookhaven National Laboratory
(631) 344-4477
srs@bnl.gov

Thomas Watson
Brookhaven National Laboratory
(631) 344-4517
twatson@bnl.gov